baber/WOPTO huggingface dataset:
Patent CA-2043765-A1 (CA)
Title: Gasoline additive composition
Inventor: SAKAKIBARA TADAMORI
IPC: C10L1/20
Filed: 1991-06-03
Abstract: ABSTRACT      A gasoline additive composition comprising an ester; and at least one dispersant component chosen from the group consisting of a specified monosuccinimide, a specified bissuccinimide, an alkylamine of average molecular weight 500 - 5000 having a polyolefine polymer as an alkyl group and a specified benzylamine derivative of average molecular weight 500 - 5000. It can contain a polyoxyalkylene glycol or its derivative. It can further contain a lubricant oil fraction of viscosity in the range 3 - 35 mm2/s (100°C) It prevents undesired deposits on the surfaces of intake valves of an automobile engine.
Patent CA-2045028-A1 (CA)
Title: Solid state switch with last state memory
Inventor: DUMBOVIC STEVE
IPC: H03K17/687
Filed: 1991-06-19
Abstract: SOLID STATE SWITCH               WITH LAST STATE MEMORY     ABSTRACT OF THE DISCLOSURE     A solid state switch is provided which has the capability of retaining its last state memory in the event of a power failure or interruption.   The solid state switch includes an output driver formed of at least one N-channel MOS  field-effect transistor,  a holding capacitor, a charging resistor, a transistor-connected diode  interconnected  between  a  power  supply  voltage source and the charging resistor for preventing leakage of the holding capacitor.  The field-effect transistor has its drain connected to a first output terminal and it source connected to a second output terminal.  One end of the holding capacitor is connected to the gate of the field-effect transistor and its other end is connected to a ground potential.  The holding capacitor retains the last state between the first and second output terminals in the event of a  loss of the power supply voltage source.
Patent CA-2045587-A1 (CA)
Inventor: STEWART MARY A
IPC: B01D37/00
Filed: 1990-11-28
Abstract: Systèmes et procédés de récupération de cellules sanguines, sensiblement exemptes de substances indésirées, utilisant un premier conteneur (16) qui forme une partie du système de récupération de sang (10) pour récupérer une quantité de cellules sanguines. Un système de filtration (14) est ensuite fixé à ce premier conteneur. Le système de filtration (14) comprend un second conteneur (34), un premier chemin de fluide (36) qui mène au second conteneur (34) au travers d'un dispositif de filtration (40) et un second cheminement de fluide (38) qui mène au second conteneur (34) en bypassant le dispositif de filtration (40). Les cellules sanguines sont acheminées depuis le premier conteneur (16) au travers du premier chemin de fluide (36) et du dispositif de filtration (40) pour arriver dans le second conteneur (34) et séparer les substances indésirées des cellules sanguines. Les cellules sanguines exemptes de substances indésirées sont alors acheminées depuis le second conteneur (34) en passant par le second chemin de fluide (38), en bypassant le dispositif de filtration (34) pour revenir dans le premier conteneur (16). Le système de filtration (14) est ensuite détaché du système récupérateur de sang (10).
Patent CA-2046792-A1 (CA)
Title: Permeability of fines-containing earthen formations by removing liquid water
Inventor: REED MARION G
IPC: E21B43/24
Filed: 1991-07-11
Abstract: ABSTRACT OF THE DISCLOSURE             IMPROVING PERMEABILITY OF FINES-CONTAINING EARTHEN FORMATIONS BY REMOVING LIQUID WATER     A method is disclosed for improving the effectiveness of fluid transport in a petroleum reservoir.  That method comprises increasing the permeability of a portion of the reservoir by removing liquid water from that portion by evaporating off the liquid water.  Preferably, substantially all of the liquid water is removed.  In one embodiment, the liquid water is evaporated off by heating the portion to a temperature above the boiling point of water for the ambient pressure of the portion.  In another embodiment, the liquid water is evaporated off by injecting into the reservoir a gas (such as heated nitrogen) that is undersaturated with respect to water.  In a third embodiment, steam is injected into a well within the portion, and the steam is blown down to vaporize substantially all of the liquid water and to cause the vaporized water to leave the portion.  In still another embodiment, superheated steam is injected into the reservoir.  Prior to the evaporation in any of those embodiments, nitrogen or natural gas can displace a fraction of the liquid water from the portion of the formation.
Patent CA-2047561-A1 (CA)
Title: Recyclable materials caddy for hanging attachment to a waste receptacle
Inventor: WATERSTON REBECCA L
IPC: B65F1/00
Filed: 1991-07-22
Abstract: IMPROVED RECYCLABLE MATERIALS CADDY FOR HANGING ATTACHMENT      TO A WASTE RECEPTACLE                 ABSTRACT OF THE DISCLOSURE    A caddy for recyclable paper materials constructed from a linear blank of double-faced corrugated plastic sheet material such as polyethylene, with a metal hanger member allowing the caddy to be mounted in hanging relation to the rim of a conventional wastebasket.  The caddy includes an open top, with a higher rear wall, lower front wall, and convexly curved side walls.  The ends of the hanger member are received between a rear panel and a rear foldover panel which are hingedly connected and  folded  into parallel abutting contact to form the rear wall, and the central portion of the hanger member extends upwardly and rearwardly through a slit formed between those panels.  The front and rear foldover panels are shortened, and the front foldover panel is held in place by a pair of side struts extending from front to rear along the side walls of the caddy. The blank is oriented on the corrugated plastic sheet material such that longer or major axis of the rectangle bounding the blank  is  parallel  with the  longitudinal  grain  of the corrugated plastic sheet material.
Patent CA-2049801-A1 (CA)
Inventor: TIPTON ALLISON D
IPC: B65B13/18
Filed: 1991-08-23
Abstract: STRAP DISPENSING AND ACCUMULATING APPARATUS AND COMBINATION OF SAME WITH STRAPPING MACHINE                        ABSTRACT           Strap dispensing and accumulating apparatus including a device for feeding strap from a supply to a strapping machine and an accumulator for accumulating strap being fed forwardly from the supply or being pushed backwardly by the strapping machine.   A stretch-out box has an inlet, an outlet, and a lower wall.  When pivoted to one position, an strap guide coacts with the lower wall, and with other elements, to define a channel for strap between the inlet and the outlet.  A detecting device is arranged to deactuate the feeding device when strap accumulating in the stretch-out box reaches a predetermined level.  A flexible chute guides strap from the outlet to a strapping head of a strapping machine. A combination of such apparatus with a strapping machine having a strapping head is disclosed.
Patent CA-2050965-A1 (CA)
Title: Wall retaining and scaffolding assembly for ground excavation and method for dismantling same
Inventor: RICHLAND PIERRE
IPC: E02D29/02
Filed: 1991-09-09
Abstract: Wall retaining and scaffolding assembly for ground excavation and method for dismantling same. ABSTRACT OF THE DISCLOSURE An excavation wall retaining assembly for use during repairs of damaged, earth ground-embedded fluid pipes, comprising: a first series of lowermost walls, vertically installed at the periphery of the lower section of an excavation made in the ground about the fluid pipes; feet releasably supporting the first series of walls spacedly above the flooring defined by the excavation; at least a second series of upper walls, vertically installed edgewisely over the first series of walls, supportingly by the latter. Jacks provide releasable, adjustable, compressive biasing force again t the walls so as to retain the latter in vertical position against caving in of surrounding earth. The wall retaining assembly is dismanteable and all of its structural elements are fully retrievable after use, from the bottom up or from top to bottom.
Patent CA-2053404-A1 (CA)
Title: Ultrahigh efficiency alkylene oxide catalysts having enhanced stability
Inventor: THORSTEINSON ERLIND M
IPC: B01J23/50
Filed: 1991-10-11
Abstract: ULTRAHIGH EFFICIENCY ALKYLENE OXIDE CATALYSTS           HAVING ENHANCED STABILITY          Abstract of the Invention Catalysts for the production of alkylene. oxide by the epoxidation of alkene with oxygen in the presence of an efficiency enhancing gaseous member of a redox-half reaction pair comprise a silver impregnated support containing an efficiency enhancing  amount  of at least  one efficiency-enhancing salt of a member of a redox-half reaction pair and a  sufficient  amount  of  stability-enhancing  component  to provide enhanced catalytic stability as compared to a similar catalyst which does not contain such stability-enhancing component.
Patent CA-2053876-A1 (CA)
Title: Process for making 2-alkyl-or alkenyl-2-oxazolines from fatty acid glycerides
Inventor: LINNEPLATZ JUERGEN F
IPC: B01J31/02
Filed: 1990-04-19
Abstract: ABSTRACT   A process for making 2-alkyl- or alkenyl-2-oxazolines, in which the alkyl or alkenyl group is a hydroxy-substituted hydrocarbon residue with at least 7 carbon atoms, produces the compounds of the title in large quantities if fatty acid glycerides with at least 8 carbon atoms are caused to react with 2-amino ethanol in the presence of titanium or zirconium compounds of the M(OR2)4 type (M = Ti or Zr).
Patent CA-2054442-A1 (CA)
Inventor: WOLTJER BERNARD H
IPC: B65G47/26
Filed: 1991-10-29
Abstract: A conveyor system includes an accumulation conveyor that is particularly useful in a location outbound of a sortation spur in combination with a receiving conveyor which receives products from the accumulation conveyor at a generally constant rate. The accumulation conveyor includes a plurality of powered rollers that are selectively actuatable in groups of tandemly arranged zones in order to convey product to the receiving conveyor. A product sensor associated with each zone senses the presence of product in that zone, and a control that is responsive to the product sensor actuates all of the rollers associated with zones upstream of any sensor that is not sensing product in order to transport product to the receiving conveyor without singulation, yet provide an accumulation capability. The control is pneumatic and uses pilot-actuated valves configured in a manner that connects the associated roller drive actuator directly with a source of pneumatic fluid in order to provide an exceptionally responsive control.
Patent CA-2054694-A1 (CA)
Inventor: MELPOLDER SHARON M
IPC: C09K3/16
Filed: 1990-05-09
Abstract: Metal oxide heteropolycondensates of tin and boron, particularly heteropolycondensates of this type wherein the major amount of the metal oxide is tin oxide, and a minor amount is boron oxide. The quantity of boron oxide is sufficient to enhance the conductivity of the composition. The heteropolycondensate compositions can be used to prepare antistatic coatings, layers and films. The layers and films can be applied to a substrate using low process temperatures. A preferred substrate is photogra-phic film.
Patent CA-2054793-A1 (CA)
Title: Catamaran righting device and method of using same
Inventor: MORRALEE JOHN
IPC: B63C7/00
Filed: 1991-11-01
Abstract: ABSTRACT OF THE DISCLOSURE There is disclosed a righting device for righting twin hulled vessels.  The device includes a pair of load bearing members converging to a point and having an elongate element extending therefrom.  The load bearing members are pivotally connected between the hulls and moveable from a storage position generally parallel to the plane of vessel then upright to a use position perpendicularly oriented thereto when the vessel is in a capsized position.  The structure of the righting element and its positioning between the hulls facilitates a single user to right the vessel when capsized to a non-capsized position.
Patent CA-2054806-A1 (CA)
Title: Bio-metallurgical process in which bio-oxidation of mineral compounds is produced
Inventor: PANOS NORA HILDA
IPC: C12R1/01
Filed: 1991-11-01
Abstract: The invention relates to a bio-metallurgical process in which mineral compounds contained in mineral ores or concentrates and constituting substrates for microorganisms, are bio-oxidized to allow solubilization and separation thereof. This process is characterized by the following steps: a) conditioning the mineral ore or the concentrate with the quantity of acid which is determined before-hand as the most convenient in order to neutralize the mineral ore or the concentrate, prevent compaction and provide the proper acidity for the microorganisms, said quantity of acid being preferably contained in the minimum possible volume of a solution, or contacting the mineral ore or the concentrate as acid vapours so as to homogeneously acidify the substrate while introducing the minimum possible amount of water into the system; b) adding a microbial inoculum capable of oxidating the mineral compound of interest, or enriching the mineral ore's own microbial flora, either simultaneously with or independently from step a); c) enabling the spontaneous or induced loss of the excess of water that may be present in the system by evaporation or by drying with flowing air until the thermodynamically available water is sufficiently low for obtaining the bio-oxidation products in solid state, said bio-oxidation products, in turn, constituting microbial colonies: and d) separating the bio-oxidation products.
Patent CA-2056278-A1 (CA)
Title: Washing solution, which contains a complexing agent for metal ions, for a solid-phase immunometric method, and the use thereof
Inventor: DOPATKA HANS-DETLEF
IPC: G01N33/543
Filed: 1991-11-27
Abstract: A washing solution, which contains a completing agent for metal ions, for a solid-phase immunometric method, and the use thereof.
Patent CA-2058943-A1 (CA)
Inventor: CALDWELL KARIN D
IPC: C12Q1/68
Filed: 1990-05-30
Abstract: A method for the multiplex sequencing of DNA is disclosed which comprises the electroblotting of specific base terminated DNA  fragments, which have been resolved by gel electrophoresis, onto the surface of a neutral non-aromatic polymeric microporous membrane exhibiting low background fluorescence which has been surface modified to contain amino groups. Polypropylene membranes are preferable and the introduction of amino groups is accomplished by subjecting the membrane to radio or microwave frequency plasma discharge in the presence of an aminating agent, preferably ammonia.  The membrane, containing physically adsorbed DNA fragments on its surface after the electroblotting, is then treated with crosslinking means such as UV radiation or a glutaraldehyde spray to chemically bind the DNA fragments to the membrane through said amino groups contained on the surface thereof. The DNA fragments chemically bound to the membrane are subjected to hybridization probing with a tagged probe specific to the sequence of the DNA fragments.  The tagging may be by either fluorophores or radioisotopes. The tagged probes hybridized to said target DNA fragments are detected and read by laser induced fluorescence detection or autoradiograms. The use of aminated low fluorescent background membranes allows the use of fluorescent detection and reading even when the available amount of DNA to be sequenced is small. The DNA bound to the membranes may be reprobed numerous times.
Patent CA-2059865-A1 (CA)
Title: Pharmaceutical Compositions Containing Orally Absorbable Glycosaminoglycans
Inventor: CRISTOFORI MANLIO
IPC: A61P9/10
Filed: 1992-01-22
Abstract: Pharmaceutical compositions for oral use, preferably selected from capsules, tablets or sugar coated tablets, coated by an enterosoluble gastroresistant film, containing a lyophilisate comprising therapeutically effective amounts of a glycosaminoglycan, a thickening substance and surfactants, and process for obtaining them.  Said compositions make possible the absorption of the orally administered glycosaminoglycans in the duodenum and in the intestine and the consequent performance of their anticoagulent, fibrinolytic, antithrombotic, antiatherosclerotic and antihyperlipoproteinemic properties.
Patent CA-2061096-A1 (CA)
IPC: A63H33/04
Filed: 1992-02-12
Abstract: A toy door assembly for covering a portal comprises a panel member, a door member, a doorway defined within the panel member, a hinge connecting the door member to the panel member for opening and closing the doorway, and support structure integral with the panel member for supporting the panel member when in use. The panel member comprises a central panel portion, opposite sides extending generally upwardly when the assembly is in use, a top side and a bottom side. The support structurecomprises a support tab connected to one of the panel member sides and extends from the side into proximity with a peripheral region of the portal. The preferred support structure further comprises anchor structure for securing the support tab to the peripheral region. The anchor structure is formed by cooperating hook and loop structures which enable adhesion of the panel about the portal. The support tab is connected to the panel member by scoring the panel material along the juncture of the support tab and the corresponding panel member side. The hinge is formed by scoring the panel material along the juncture of the door member and panel member to facilitate bending and then reinforcing the scored bend line with tape adhered to the panel.
Patent CA-2061279-A1 (CA)
Title: Method for improving ventilation during sleep and treating sleep related ventilation abnormalities of neonates
Inventor: ASKANAZI JEFFREY
IPC: A61K9/08
Filed: 1992-02-14
Abstract: ABSTRACT OF THE DISCLOSURE     A method for improving ventilation during sleep and treating sleep-related ventilation abnormalities in an infant.  To this end, the present invention provides a method  of  using  branched-chain  amino  acids  as  an effective  therapy  for  apnea  of  prematurity.    The branched-chain amino acid composition can be administered either parenterally or enterally, and can be administered alone or in combination with other nutrients.
Patent CA-2061973-A1 (CA)
Title: Solventless or high solids-containing silicone pressure sensitive adhesive compositions
Inventor: WENGROVIUS JEFFREY H
IPC: C09J183/07
Filed: 1992-02-27
Abstract: Docket No.: 60SI-1455 Abstract of the Disclosure Solventless and high solids-containing silicone pressure sensitive adhesive compositions having high peel adhesion and high tack are provided, comprising (A) a toluene-soluble resinous copolymer containing R3SiO1/2 units and SiO4/2 units; (B) a vinyl-terminated polydiorganosiloxane; (C) a hydrogen-terminated polydiorganosiloxane; (D) a hydrosilation catalyst; and (E) from 0 toabout 10 percent by weight of an organic solvent; provided that the combined viscosity of (B) and (C) is from about 10 to about 500 centipoises at 25°C., the combined crosslink densities of (B) and (C) is from about 0.3 to about 5.0 %, preferably 0.3 to about 2.0%, and the molar ratio of silicon-bonded hydrogen groups in (C) to silicon-bonded alkenyl groups in (B) is in the range of from about 0.8:1 to about 1.5:1 and preferably about 1:1.
Patent CA-2063097-A1 (CA)
Title: Process for the preparation of trimethine dyestuffs
Inventor: SANDEFUR CHARLES W
IPC: C09B23/06
Filed: 1992-03-16
Abstract: This invention relates to a process for preparing trimethine dyestuffs of the formula (see formula I) wherein R1 is lower alkyl; R2 is hydrogen, alkyl, cycloalkyl, aryl, aralkyl, alkoxy, cycloalkoxy, aryloxy, aralkoxy, fluorinated alkyl, alkanoyl, aroyl, alkoxycarbonyl, aryl-oxycarbonyl, aralkoxycarbonyl, alkanoylamino, aroylamino, alkylaminocarbonyl, arylaminocarbonyl, alkoxycarbonylamino, alkylsulfonyl, arylsulfonyl, halogen, cyano, nitro, carbamoyl, or sulfonamido, or two R2 together form a fused benzene ring; n is an integer of from 1 to 4; and A- is an anion, by reacting a mixture of (a) an indoline compound of the formula   (b) 1.25 to 1.8 parts by moles, based on the indoline compound, of acetic anhydride; and (c) 0.5 to 0.75 parts by moles, based on the indoline compound, of formic acid to form the dyestuff.
Patent CA-2064218-A1 (CA)
Title: Process for the formulation of mixtures and installation for carrying it out
Inventor: DARMEDRU JACQUES
IPC: B01F3/08
Filed: 1991-05-16
Abstract: A method for making mixtures of several constituents. The method is characterized in that it involves: drawing off a portion of at least one additive from its storage device (6); continuously weighing the storage device (6) during this process; determining the amount of additive drawn off from said device by monitoring the changes in the weight thereof throughout said process; halting said process once the required amount has been drawn off; and transferring said additive to the mixing enclosure (2). The method can be used to make mixtures to produce lubricants, paints, inks or pharmaceutical or para-pharmaceutical compounds.
Patent CA-2065316-A1 (CA)
Title: Processes and devices for the heat treatment of metal wires by bringing them around capstans
Inventor: REINICHE ANDRE
IPC: C21D9/56
Filed: 1990-09-07
Abstract: Process and device (1) for the heat treatment of at least one metal wire (4) using capstans (2, 3) characterised by the following features: a) the wire (4) is brought around at least two capstans (2, 3) which conduct the heat and which include recesses (11). The wire (4) is reeved and crossed in said recesses (11), the width of the recesses (11) being slightly greater than that of the wire (4); b) the capstans (2, 3) are heated or cooled by means of at least one gas (27), which passes between the capstans and a part which is in contact with a heat exchanging fluid; c) the thickness of the gas layer is chosen according to the heat treatment to be applied. Installations for the heat treatment of metal wires (4) include at least one device (1), metal wires (4) treated by the process and/or the device (1), and/or the installations according to the invention, as well as items reinforced by said wires (4), in particular tyre treads.
Patent CA-2065721-A1 (CA)
Title: Molded case circuit breaker with linear responsive unit
Inventor: CASTONGUAY ROGER N
IPC: H01H71/16
Filed: 1992-04-09
Abstract: MOLDED CASE CIRCUIT BREAKER WITH LINEARLY RESPONSIVE THERMAL TRIP UNIT                     ABSTRACT OF THE DISCLOSURE A molded case circuit breaker utilizes a thermally responsive trip unit for providing long and short-time overcurrent protec-tion and a magnetically responsive trip unit for instantaneous or short-circuit protection.  An electrically and thermally insulative lever interfaces between the thermal element and the circuit breaker trip response bar to linearize the movement of the thermal trip element in response to circuit current.
Patent CA-2072045-A1 (CA)
Title: Process for the preparation of monomeric tetramethoxymethylglycoluril
Inventor: JACOBS WILLIAM III
IPC: C09D7/12
Filed: 1992-06-23
Abstract: Described is an improved process for the preparation of fully methylolated, substantially fully etherified, and substantially monomeric tetramethoxy-methylglycoluril useful as a crosslinking agent for powder coatings. The improved process adds after the conventional steps of methylolation and etherification the new steps of acidic distillation followed by an additional etherification.